Photoengraving and Lithographing Machine Operators and Tenders

Operate or tend photoengraving and lithographing equipment, such as plate graining, pantograph, roll varnishing, and routing machines.

Job Task

• Operates machinery such as film processor, graining machine, and varnishing equipment.
• Cuts excess metal and bevels edges of printing plates using routing machine.
• Mounts finished plates on wood, synthetic or metal blocks either by hand or using automatic plate-mounting equipment.
• Grains printing plates by wet or dry sandblasting or using glass marbles.
• Copies printed materials such as documents and drawing using blueprint machine.
• Applies acid resistant ink to varnished copper roller and examines for ink smears or cavities filled with ink.
• Paints over pinholes, scratches and reference points on roller using brush and acid resistant paint.
• Immerses and turns printing roller in bath solutions to dissolve coating, develop image, and dye using electric hoist.
• Maintains machinery in working order such as automatic film processor and exposure machine.
• Examines finished blueprint for specified color, intensity, and sharpness of line.
• Cuts printing plates from sheets of aluminum and zinc using power shears.
• Examines printing plates with magnifier for uniformity, size, and structures of grain and washes off excess sediment.
• Rolls out and hammers used printing plates to remove gripper marks and bent corners.

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